Universal under-sink wrench



FIG. 1 is a perspective view of the universal under-sink wrench;

FIG. 2 is a top plan view of the universal under-sink wrench, the bottom plan view being a mirror image;

FIG. 3 is a front elevational view of the universal under-sink wrench;

FIG. 4 is a rear elevational view of the universal under-sink wrench;

FIG. 5 is a left side elevational view of the universal under-sink wrench; and,

FIG. 6 is a right side elevational view of the universal under-sink wrench.

The broken lines in the drawing of the universal under-sink wrench in FIGS. 1 and 2 illustrate openings in the wrench and are for illustration purposes and form no part of the claimed design. 

The ornamental design for a universal under-sink wrench, as shown and described. 